Friday, January 7, 2011

Re: [MW:9129] Why is preheating important for welding Alloy Steel?

Dear friend preheating is required to minimise the temperature gradient (difference ) which result in slow cooling of weld bead and HAZ. Rapid cooling of weld and HAZ will result in cracking of weld or HAZ.

Tushar Gohil

On Fri, 07 Jan 2011 13:27:13 +0530 wrote
>Dear Team..i would like to get a correct answer for the following

question.



Why is preheating important for welding Alloy Steel?



Thanks in advance

SURESH.



--

To post to this group, send email to materials-welding@googlegroups.com

To unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.com

For more options, visit this group's bolg at http://materials-welding.blogspot.com/

The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.


--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.

No comments:

Re: [MW:34832] Inquiry about Single Bevel with Back Grinding

Dear Uday, As per your question that one is called with backing only,Simple both side you are welding it is backing with strip or without st...